The Chill Pill is an ultra-compact pocket rocket audio speaker system and it's on sale at Koyono for $35.95. Here is more info:

"At just 3.75" x 2" in size this tiny force pumps out enough volume to overcome any built-in laptop or iPhone/iPod speakers. Chill Pill was brilliantly designed and comes with all the power and cord essentials you will need. It is powered and charged by a retractable mini-usb cable and does not need batteries. There is also a retractable 1/8" headphone port which plugs into any iPhone, iPod or MacBook. Simply "crack" the Chill Pill open, plug it into your device and enjoy 8 hours of uninterrupted music at your home, office dorm. With big sound and a rugged, compact case, the Chill Pill will become an essential part of your digital traveling kit. It's the perfect way to untether yourself and enjoy your music when working and playing anywhere. The Chill Pill pocket rocket audio speaker system.